Sony D-E990 User manual

MICROFILM
SERVICE MANUAL
SPECIFICATIONS
System
Compact disc digital audio system
Laser diode properties
Material: GaAlAs
Wavelength: λ= 780 nm
Emission duration: Continuous
Laser output: Less than 44.6 µW
(This output is the value measured at a distance
of 200 mm from the objective lens surface on
the optical pick-up block with 7 mm aperture.)
D-A conversion
1-bit quartz time-axis control
Frequency response
20 - 20,000 Hz
+1
–2
dB (measured by EIAJ CP-
307)
Output (at 4.5 V input level)
Line output (stereo minijack)
Output level 0.7 V rms at 47 kilohms
Recommended load impedance over 10
kilohms
Headphones (stereo minijack)
Approx. 5 mW + Approx. 5 mW at 16 ohms
(Approx. 3 mW +Approx. 3 mW at 16 ohms)*
*For the customers in France
Optical digital output (optical output connector)
Output level: –21 - –15 dBm
Wavelength: 630 - 690 nm at peak level
Power requirements
For the area code of the model you
purchased, check the upper left side of the
bar code on the package.
• Two Sony NH-14WM rechargeable batteries:
2.4 V DC
• Two LR6 (size AA) batteries: 3V DC
• AC power adaptor (DC IN 4.5 V jack):
model:US/Canadian 120 V, 60 Hz
AEP/E13 model: 220 - 230 V, 50/60 Hz
UK model: 230 - 240 V, 50 Hz
Tourist/E33 model: 100 - 240 V, 50/60 Hz
Hong Kong model: 220V, 50/60 Hz
Chinese model: 220 V, 50 Hz
• Sony DCC-E245 car battery cord for use on
car battery: 4.5 V DC
Battery life* (approx. hours)
(When you use the CD player on a flat and stable
surface.)
Playing time varies depending on how the CD
player is used.
Two NH-14WM 25
(charged for
about 4 hours**)
Battery case (two 40
alkaline batteries)
Rechargeable batteries 62
NH-14WM and battery
case (two alkaline
batteries)
* Measured value by the standard of EIAJ
(Electronic Industries Association of Japan).
** Charging time varies depending on how the
rechargeable battery is used.
Operating temperature
5°C - 35°C (41°F - 95°F)
Dimensions (w/h/d) (excluding
projecting parts and controls)
Approx. 127.2 ×19 ×130.1 mm
(5
1
⁄ 8 ×
3
⁄ 4 ×5 1 ⁄ 8 in.)
Mass (excluding rechargeable
batteries)
Approx. 167.5 g (6.0 oz)
Supplied accessories
AC power adaptor (1)
Headphones/earphones with remote control (1)
Rechargeable batteries (2)
Battery carrying case (2)
Carrying case (1)
Battery case (1)
AC plug adaptor (1)*
* Supplied with Tourist and E33 models
Design and specifications are subject to change
without notice.
• Abbreviation
E13: 220 - 230 V AC area in E model
E33: 100 - 240 V AC area in E model
PORTABLE CD PLAYER
D-E990/EJ915
Photo: D-E990
US Model
Canadian Model
AEP Model
UK Model
E Model
Chinese Model
D-EJ915
Tourist Model
D-E990
Model Name Using Similar Mechanism NEW
CD Mechanism Type US : CDM-3022EBG
Other: CDM-3022EBA
Optical Pick-Up Name US : DAX-22EG
Other: DAX-22E
Ver 1.0 1999. 10

D-E990/EJ915
– 19 – – 20 – – 21 – – 22 –
5-5. SCHEMATIC DIAGRAM • See page 15 for Waveforms. •See page 23 for IC Block Diagrams.
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in Ωand 1/4W or less unless otherwise
specified.
• % : indicates tolerance.
•C: panel designation.
•U: B+ Line.
• Powervoltageis dc4.5 V and fedwith regulateddc power
supply from DC IN jack (J401).
• Voltages and wavefor ms are dc with respect to ground in
playback mode.
no mark : CD PLAY
• Voltagesaretaken witha VOM (Inputimpedance 10 MΩ).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
J: CD PLAY (ANALOG OUT)
c: CD PLAY (OPTICAL OUT)
• Abbreviation
FR : French model
Note:
The components identi-
fied by mark 0or dotted
linewith mark0are criti-
cal for safety.
Replace only with part
number specified.
Note:
Lescomposants identifiés par
une marque 0sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce portant le numéro
spécifié.
(US)
(EXCEPT US)

– 23 – – 24 – – 25 – – 26 –
• IC Block Diagrams
IC351 TA2120FN (EL)
IC402 MPC17H71MTAEL
+ –
+ –
+ –
23 20 19 18 17 16 15 14 13
234 5 678910 11 12
1
24
BIAS BEEP
PW
SW
MT
SW
ALC
DET
ATT
SW
PWC
SW
OUT B OUT A
BEEP
IN
BST
PW
B
PW
C
BST
NF
ADD
OUT
RF IN PWC
SW
OUT B OUT C OUT A PWR
GND
MIX
OUT
ALC
IN
ALC
DET
ATT
SW
IN AIN BGND
MT
TC
MT
SW
PW
SW
BIAS
BIAS
IN
BST
SW
BST
OUT
VCC
ADD
A
ADD B
21
22
PW
A
ALC ALC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
18
19
20
21
22
23
24
25
26
29
30
27
28
17
16
MODE CONTROL ROTATION
DETECTOR
MODE CLOCK REGULATOR
HOLD PWM REGULATOR
MODE TIME REGULATOR
CLOCK DIVIDER
STATE MACHINE
STARTUP PATTERN
GENERATOR
PATTERN REGULATOR
SEQUENCER
CPU INTERFACE
SERIAL PORT
PARALLEL
INTERFACE
OPERATION MODE
OPERATION MODE
REGULATOR
TEST MODE REGULATOR
PREDRIVER
FEEDBACK PATTERN
GENERATOR
BEMF
SEPARATOR
OVERFLOW REGULATOR
PHASE DELAY
REGULATOR
FEEDBACK RESISTOR
PHASE
DECODER
PWM
DECODER
FG
SYNC
PWM
POL
TEST
RST
DATA
LTCH
CLK
VC
AGND
OEB
VDU
U
PGDUV V
VDVW
W
PGDW
VG
DGND
W1
OE
WP
VP
UP
BEMF
DETECT
V1
U1
COM
TST0
TST1
TST2
TST3
NC
IC401 MPC17A52ZFTA IC601 CXD3027R
21 22 232019
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
71 70 69 6872
PREDRIVER
H BRIDGE ON H BRIDGE ON
H BRIDGE ON
SYSTEM
CONTROL,
INPUT/OUTPUT
CONTROLLER
VG
VC VC
VC
VC
VC
VC
VC
VC
VC
VG
VG
VG
VG
VG
VGDCINVC
VC
VIN
VC VG
VC VG
VIN VIN
VC
DCIN
VG
VG
D1 (DRV MUTE)
25 26 27 2824 29 30 31 32 33 34 35 36
37
38
39
40
PREDRIVER
CLOCK
CONTROLLER
41
42
43
44
50
51
52
53
54
46
45
47
48
49
SWITCHING
POWER
CIRCUIT 2
SWITCHING
POWER
CIRCUIT 3
BAND GAP
REFERENCE
SUB
REFERENCE
PRE-
DRIVER
DOWN SIDE
PRE-DRIVER
DOWN SIDE
PRE-DRIVER
UP SIDE
PRE-DRIVER
UP SIDE
PRE-DRIVER
SAW TOOTH
WAVEFORM
OCCURRENCE
CIRCUIT
LINEAR, CONSTANT
CURRENT, CONSTANT
VOLTAGE CHARGING
BATTERY CHARGE CIRCUIT
SWITCHING POWER
CIRCUIT 1
CHARGING BATTERY
VOLTAGE DETECTOR
CIRCUIT
LINEAR REGULATOR
VG
POWER CIRCUIT
VC
67 66 65 64 63 62 61 60 59 58 57 56 55
LOW VOLTAGE DETECTOR
HPI2
HPOUT2 HPOUT1
VHP
VD3
VD23
RO2
MGND2
FO2
VD12
RO1
MGND1
FO1
VD1
RO3
FO3
MGND3
HPGND
VLG3
RF21
PAPC
APCREF
VREF
L4
RF2
INM2
VG
GND
SYNC
WAKEUP
CLOCK
DATA
LATCHC
FI3
RI3
HPI1
FI1
RI1
FI2
RI2
CHGSW
RS
INM4
RF4
DCIN
DCIN
VC
VCP
RSTB
MODE1
MODE2
DTC2D
DTC1D
INM1
RF1
INP1 CHGMNT BATM2 BATM1 VLG1O L1L PGND1 L1H VIN L2H PGND2 L2L VLG2O PGND3 L3 DTC3 RF3 INM3
D2 (H BRIDGE/HEADPHONE)
D3 (HPON)
ERROR
CORRECTOR
32K
RAM
EFM
DEMODULATOR
SUB CODE
PROCESSOR
SERVO
AUTO
SEQUENCER
D/A
INTERFACE
VIBRATION
MEMORY
CONTROLLER
+
COMPRESSION
EXPANDER
DAC
SELECTOR
DIGITAL
OUT
ASYMMETRY
CORRECTOR
DIGITAL
PLL
DIGITAL
CLV
CPU
INTERFACE
OP AMP
ANALOG SWITCH
SERVO BLOCK
SIGNAL
PROCESSOR
BLOCK
MEMORY CONTROLLER,
BUS BOOST BLOCK
A/D
CONVERTER
SERVO
INTERFACE
SERVO DSP
FOCUS SERVO
SLED SERVO
TRACKING
SERVO
CLOCK
GENERATOR
LPF
LPF
MIRR
DFCT
FOK
PWM GENERATOR
FOCUS PWM
GENERATOR
SLED PWM
GENERATOR
TRACKING PWM
GENERATOR
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60
XOE
A0 – A11
SYSM
AMUTE
HPL
HPM
HPR
PCMDI
LRCKI
BCKI
AOUT1
AIN1
LOUT1
LOUT2
AIN2
AOUT2
A9
A8
A7
DVSS
RFAC
XTAO
XTAI
XTSL VCTL
VPCO
WFCK
GFS
XUGF
MDS
C2PO
WDCK
BIAS
ASYI
ASYO
FILO
FILI
PCO
PWMI
LOCK
MDP
SDTI
SCSY
SCOR
SBSO
EXCK
SDTO
XLAT
CLOK
SENS
XSOE
R4M
IGEN
VDD0 COUT MIRR
DFCT
FOK
PWMI
LOCK
HPR
HPM
HPL
VDD1
C176
MDP MDS
SSTP
SFDR
SRDR
TFDR
TRDR
FFDR
FRDR
FRDR
FFDR
TRDR
TFDR
SRDR
SFDR
SCLK
ATSK
SSTP
COUT
FOK
DFCT
MIRR
VSS1
TEST TES1
AVDD0
IGEN
AVSS0
RFDC
E
F
120 119 118 117 116 115 114 113 112 111 110 109 108 107 106 105 104 103 102 101 100 99 98 97 96 95 94 93 92 91
XOE XCAS D2 D3 D0 D1 XWE XRAS A11 A10 DVDD A0 A1 A2 A3 AVDD2 LOUT2 AIN2 AOUT2 AVSS2 AVSS1 AOUT1 AIN1 LOUT1 AVDD1 XVSS XTAO XTAI XVDD BCKI
XOE
XCAS
D2 D3 D0 D1
XWE
XRAS
A11 A10
DVDD
A0 A1 A2 A3
AVDD2
LOUT2
AIN2
AOUT2
AVSS2 AVSS1
AOUT1
AIN1
LOUT1
AVDD1
XVSS XTAO
XTAI
XVDD
BCKI
VDD0 COUT MIRR
DFCT
FOK
PWMI
LOCK
HPR
HPM
HPL
VDD1
MDP MDS
SSTP
SFDR
SRDR
TFDR
TRDR
FFDR
FRDR
VSS1
A VDD A GND
D VDD
AVDD0
IGEN
AVSS0
RFDC
E
F
RFDC
E
F
B
A
VC
CLTV
XPCK
A6
A5
A4
XWRE
XRDE
XEMP
XWIH
XQOK
AMUTE
SDTI
XQCK
SCSY
SCOR
VSS0
SBSO
EXCK
XRST
SYSM
SDTO
XLAT
CLOK
SENS
SCLK
XSOE
ATSK
R4M
A9
A8
A7
DVSS
A6
A5
A4
XWRE
XRDE
XEMP
XWIH
XQOK
AMUTE
SDTI
SCSY
SCOR
VSS0 D GND
SBSO
EXCK
SYSM
SDTO
XLAT
CLOK
SENS
SCLK
XSOE
ATSK
R4M
BCK
PCMDI
PCMD
LRCKI
LRCK
DOUT
VDD2
WFCK
C2PO
GFS
XPCK
XUGF
WDCK
VSS2
XTSL
AVDD3
ASYO
ASYI
BIAS
RFAC
AVSS3
CLTV
PCO
FILI
FILO
VCTL
VPCO
VC
A
B
BCK
PCMDI
PCMD
LRCKI
LRCK
DOUT
VDD2
WFCK
C2PO
GFS
XPCK
XUGF
WDCK
VSS2
XTSL
AVDD3
ASYO
ASYI
BIAS
RFAC
AVSS3
CLTV
PCO
FILI
FILO
VCTL
VPCO
VC
A
B
XCAS
D0 – D4
XWE
BCK
PCMD
LRCK
DOUT
XWRE
XRAS
XRDE
XQOK
XWIH
XEMP
IC602 MSM51X17400D-10TFSR1
IC802 CXD751-103R
ON CHIP
VBB GENERATOR
TIMING
GENERATOR TIMING
GENERATOR
REFRESH
CONTROL CLOCK
INTERNAL
ADDRESS
COUNTER
COLUMN
ADDRESS
BUFFER
11 COLUMN
DECODER
ROW
ADDRESS
BUFFER
ROW
DECODER
WORD
DRIVER
WRITE
CLOCK
GENERATOR
1
2
3
4
5
6
7
9
8
10
11
12
13
25
26
24
23
22
11
4 4
4
115
11 11
18
19
17
16
15
14
20
21
MEMORY
CELLS
SENS
AMPLIFIER
I/O
SELECTOR
OUTPUT
BUFFER
4 4
4
6
INPUT
BUFFER
VCC
DQ1
DQ2
XWE
XRAS
NC
A10
A0
A1
A2
A3
VCC
DQ4
VSS
DQ3
XCAS
XOE
A9
A8
A7
A6
A5
A4
VSS
2
2
25
26
27
28
29
30
31
32
16
15
14
13
12
11
10
9
BIT
SELECT
SERIAL
PARALLEL
CONVERTER
TSB
SIGNAL
ENCODER
DECODER
24 23 22 21 20 19 18 17
1 2 3 4 5 6 7 8
PO26 PO27 NC NC
VSS2 TSB RW
SEL22 SEL20
VSS0
XLT2
SO2
SCK2
REQ
SEL21
XLT
SCK
SO
1SI
VDD0
VSS1
RST
MCLK
BUSY
PO25
PO24
PO23
VSS3
VDD1
PO22
PO21
PO20